WO2000062838A3 - Hydro elastic pump which pumps using non-rotary bladeless and valveless operations - Google Patents

Hydro elastic pump which pumps using non-rotary bladeless and valveless operations Download PDF

Info

Publication number
WO2000062838A3
WO2000062838A3 PCT/US2000/010636 US0010636W WO0062838A3 WO 2000062838 A3 WO2000062838 A3 WO 2000062838A3 US 0010636 W US0010636 W US 0010636W WO 0062838 A3 WO0062838 A3 WO 0062838A3
Authority
WO
WIPO (PCT)
Prior art keywords
valveless
pumps
operations
elastic pump
bladeless
Prior art date
Application number
PCT/US2000/010636
Other languages
French (fr)
Other versions
WO2000062838A2 (en
Inventor
Morteza Gharib
Original Assignee
California Inst Of Techn
Morteza Gharib
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by California Inst Of Techn, Morteza Gharib filed Critical California Inst Of Techn
Priority to EP00926179A priority Critical patent/EP1171712B1/en
Priority to AU44746/00A priority patent/AU4474600A/en
Priority to DE60025184T priority patent/DE60025184T2/en
Publication of WO2000062838A2 publication Critical patent/WO2000062838A2/en
Publication of WO2000062838A3 publication Critical patent/WO2000062838A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
    • A61M60/274—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders the inlet and outlet being the same, e.g. para-aortic counter-pulsation blood pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/424—Details relating to driving for positive displacement blood pumps
    • A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/515—Regulation using real-time patient data
    • A61M60/523—Regulation using real-time patient data using blood flow data, e.g. from blood flow transducers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/515—Regulation using real-time patient data
    • A61M60/531—Regulation using real-time patient data using blood pressure data, e.g. from blood pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
    • A61M60/546—Regulation using real-time blood pump operational parameter data, e.g. motor current of blood flow, e.g. by adapting rotor speed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
    • A61M60/554—Regulation using real-time blood pump operational parameter data, e.g. motor current of blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3303—Using a biosensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders

Abstract

A pump formed from an asymmetric elastic tube (100) which is pinched by a pressurizing member (120) to form first (A) and second (B) portions of increased pressure. The first and second portions having a pressure differential which causes a pumping action.
PCT/US2000/010636 1999-04-19 2000-04-19 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations WO2000062838A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00926179A EP1171712B1 (en) 1999-04-19 2000-04-19 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations
AU44746/00A AU4474600A (en) 1999-04-19 2000-04-19 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations
DE60025184T DE60025184T2 (en) 1999-04-19 2000-04-19 HYDROELASTIC PUMP WITH NON-ROTATING SHOCK LOADS AND VENTILATION FUNCTIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13040899P 1999-04-19 1999-04-19
US60/130,408 1999-04-19

Publications (2)

Publication Number Publication Date
WO2000062838A2 WO2000062838A2 (en) 2000-10-26
WO2000062838A3 true WO2000062838A3 (en) 2001-03-08

Family

ID=22444562

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/010636 WO2000062838A2 (en) 1999-04-19 2000-04-19 Hydro elastic pump which pumps using non-rotary bladeless and valveless operations

Country Status (5)

Country Link
US (3) US6254355B1 (en)
EP (1) EP1171712B1 (en)
AU (1) AU4474600A (en)
DE (1) DE60025184T2 (en)
WO (1) WO2000062838A2 (en)

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US6254355B1 (en) * 1999-04-19 2001-07-03 California Institute Of Technology Hydro elastic pump which pumps using non-rotary bladeless and valveless operations
AT412416B (en) 2001-10-23 2005-02-25 Zackl Wilhelm VALVE-FREE PUMP
US8845672B2 (en) * 2002-05-09 2014-09-30 Reshape Medical, Inc. Balloon system and methods for treating obesity
US7998190B2 (en) * 2002-06-17 2011-08-16 California Institute Of Technology Intravascular miniature stent pump
ATE362586T1 (en) * 2002-11-21 2007-06-15 California Inst Of Techn HYDROIMPEDANCE PUMP
US7524298B2 (en) * 2004-05-25 2009-04-28 California Institute Of Technology Device and method for treating hydrocephalus
US8197234B2 (en) * 2004-05-25 2012-06-12 California Institute Of Technology In-line actuator for electromagnetic operation
US7398818B2 (en) * 2004-12-28 2008-07-15 California Institute Of Technology Fluidic pump for heat management
US7749152B2 (en) * 2005-01-10 2010-07-06 California Institute Of Technology Impedance pump used in bypass grafts
US20110077579A1 (en) * 2005-03-24 2011-03-31 Harrison William V Cochlear implant with localized fluid transport
US7883325B2 (en) 2005-03-25 2011-02-08 Arash Kheradvar Helically actuated positive-displacement pump and method
US20060280655A1 (en) * 2005-06-08 2006-12-14 California Institute Of Technology Intravascular diagnostic and therapeutic sampling device
US20070085449A1 (en) * 2005-10-13 2007-04-19 Nanyang Technological University Electro-active valveless pump
US20070100368A1 (en) 2005-10-31 2007-05-03 Quijano Rodolfo C Intragastric space filler
EP1974143A4 (en) * 2006-01-06 2014-03-12 California Inst Of Techn Resonant multilayered impedance pump
US7803148B2 (en) 2006-06-09 2010-09-28 Neurosystec Corporation Flow-induced delivery from a drug mass
US8226602B2 (en) * 2007-03-30 2012-07-24 Reshape Medical, Inc. Intragastric balloon system and therapeutic processes and products
US8142469B2 (en) 2007-06-25 2012-03-27 Reshape Medical, Inc. Gastric space filler device, delivery system, and related methods
US9656009B2 (en) 2007-07-11 2017-05-23 California Institute Of Technology Cardiac assist system using helical arrangement of contractile bands and helically-twisting cardiac assist device
WO2009092067A2 (en) * 2008-01-18 2009-07-23 Neurosystec Corporation Valveless impedance pump drug delivery systems
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US20090217982A1 (en) * 2008-02-28 2009-09-03 Phluid Inc. Adjustable flow controllers for real-time modulation of flow rate
US8056582B2 (en) * 2008-08-08 2011-11-15 Tandem Diabetes Care, Inc. System of stepped flow rate regulation using compressible members
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
US8650937B2 (en) 2008-09-19 2014-02-18 Tandem Diabetes Care, Inc. Solute concentration measurement device and related methods
US9174031B2 (en) * 2009-03-13 2015-11-03 Reshape Medical, Inc. Device and method for deflation and removal of implantable and inflatable devices
WO2010115161A2 (en) * 2009-04-03 2010-10-07 Reshape Medical Inc Improved intragastric space fillers and methods of manufacturing including in vitro testing
US9358143B2 (en) 2009-07-22 2016-06-07 Reshape Medical, Inc. Retrieval mechanisms for implantable medical devices
EP2456487A4 (en) 2009-07-23 2017-05-17 ReShape Medical, Inc. Inflation and deflation mechanisms for inflatable medical devices
WO2011011743A2 (en) 2009-07-23 2011-01-27 Reshape Medical, Inc. Deflation and removal of implantable medical devices
EP2724739B1 (en) 2009-07-30 2015-07-01 Tandem Diabetes Care, Inc. Portable infusion pump system
US8894568B2 (en) 2009-09-24 2014-11-25 Reshape Medical, Inc. Normalization and stabilization of balloon surfaces for deflation
DE102009043170B4 (en) 2009-09-26 2023-02-02 Vorwerk & Co. Interholding Gmbh Device suitable for the directed transport of a fluid
US9149611B2 (en) 2010-02-08 2015-10-06 Reshape Medical, Inc. Materials and methods for improved intragastric balloon devices
WO2011097636A1 (en) 2010-02-08 2011-08-11 Reshape Medical, Inc. Improved and enhanced aspiration processes and mechanisms for intragastric devices
WO2011106637A1 (en) 2010-02-25 2011-09-01 Reshape Medical, Inc. Improved and enhanced explant processes and mechanisms for intragastric devices
EP2555705A4 (en) 2010-04-06 2014-01-15 Reshape Medical Inc Inflation devices for intragastric devices with improved attachment and detachment and associated systems and methods
US9125655B2 (en) 2010-07-16 2015-09-08 California Institute Of Technology Correction and optimization of wave reflection in blood vessels
EP2717959A2 (en) 2011-06-07 2014-04-16 California Institute of Technology Medicament delivery systems
KR101197208B1 (en) * 2011-06-29 2012-11-02 한국과학기술원 Micro pump and driving method thereof
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US10920800B2 (en) 2016-05-08 2021-02-16 Alexander Sergeev Tensile actuator
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US5573384A (en) * 1994-04-28 1996-11-12 Kaltenbach & Voigt Gmbh & Co. Pump for conveying paste-like flowable materials

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US2888877A (en) * 1956-04-19 1959-06-02 Ohio Commw Eng Co Apparatus for pumping
US3304386A (en) * 1964-06-25 1967-02-14 Jr Bernard Edward Shlesinger Multiple contact program system fluid pressure type
US3349716A (en) * 1966-03-28 1967-10-31 Weber George Hunt Pumps
US5573384A (en) * 1994-04-28 1996-11-12 Kaltenbach & Voigt Gmbh & Co. Pump for conveying paste-like flowable materials

Also Published As

Publication number Publication date
EP1171712B1 (en) 2005-12-28
US6679687B2 (en) 2004-01-20
EP1171712A4 (en) 2002-08-07
AU4474600A (en) 2000-11-02
US7387500B2 (en) 2008-06-17
US6254355B1 (en) 2001-07-03
EP1171712A2 (en) 2002-01-16
DE60025184T2 (en) 2006-09-14
DE60025184D1 (en) 2006-02-02
US20010046445A1 (en) 2001-11-29
US20040151607A1 (en) 2004-08-05
WO2000062838A2 (en) 2000-10-26

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